21003669951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1\times {\mathrm{514531}}^1$

素因数の和:515782

約数の個数: 16

約数和(自身を含む): 30575549568

約数和(自身を除く): 9571879617

約数列:

[1, 3, 11, 33, 1237, 3711, 13607, 40821, 514531, 1543593, 5659841, 16979523, 636474847, 1909424541, 7001223317, 21003669951]

約数ペア:

[(1, 21003669951), (3, 7001223317), (11, 1909424541), (33, 636474847), (1237, 16979523), (3711, 5659841), (13607, 1543593), (40821, 514531)]